Smallpdf is a free online tool to compress, merge, split and convert PDF documents. It is simple to use and free to use. It can be useful to compress research papers, merge several documents together or extract graphs and images from PDF files.

Google Docs is an online environment for editing and sharing documents, spreadsheets, presentations, forms, drawings, and tables. Google Docs documents can be public or private, or shared with anyone with a Google account, e-mailed, or downloaded in various formats, including conversions to PDF and other formats not identical to the original or to the proprietary format used at creation. Designated people with whom items are shared can be given permission to comment or edit the files, thus providing a quick way to collaborate on creating and editing documents and presentations.

Scalar is a free, open source authoring and publishing platform that’s designed to make it easy for authors to write long-form, born-digital scholarship online. Scalar enables users to assemble media from multiple sources and juxtapose them with their own writing in a variety of ways, with minimal technical expertise required.

Scalar can also be used to assemble and annotate video content, and combine in with text to create a rich media document

Editors' Notes is an open-source, web-based tool for recording, organizing, preserving, and opening access to research notes, built with the needs of documentary editing projects, archives, and library special collections in mind.

Created by musicians for musicians, Forte is a unique and easy to use score writing software for everyday musicians, teachers and choir leaders. If you are looking for a tool that fits your needs, is easy to use and affordable. The website also offers free sheet music to get you started.

The Open Science Framework (OSF) is a free, open source tool designed to help researchers manage the entire research workflow: planning, execution, reporting, archiving and discovery. It is part collaboration software and part version control system. The OSF can be used to manage individual projects or large collaborative ones. Privacy and sharing settings allow for fine-grained control over access to files and materials stored on the platform - share privately with collaborators or publicly with the community at large.

Tumblr is a blogging/microblogging platform with a focus on data sharing between individual blogs. Users can create and disseminate data in a visual or HTML editor, using standard Tumblr posting formats: text, photo, quote, link, chat, audio, and video.

Built-in customization tools allow users to manipulate the appearance of their blog with little knowledge of web development. Tumblr also provides a CSS/HTML customization panel for more advanced users, including theme documentation and the ability to upload/alter theme asset files (e.g., CSS, JS).

LiveJournal is a community publishing platform, with features characteristic of both blogging and social networking platforms. The site is longstanding, originally established in 1999 as a blogging platform and online community built around personal journals. Today comprises more than 50 million journals, with topical focuses such as politics, entertainment, fashion, literature, and design.

Scrivener is software for writing that includes virtual index cards, outlining, version control, import/export options, and scriptwriting features, and provides a management system for notes and documents plus support for document metadata.

It allows the creation of documents from sub documents, ebook (epub and Kindle/mobi) and TeX and LaTeX export as well as ODF, PDF and Microsoft Word exports.

A Linux version is in beta, and an iOS version is reportedly under development

A software tool for performing concordance – the analysis of a set of words within its immediate context - on a body of text. The tool performs full concordance, reading and analysing each and every word in a text. It was initially written for the analysis of English texts, but has since been extended to cater for other Western languages. Limited support is also provided for text in East Asian scripts, such as Chinese and Korean.

Edublogs is an educational blogging service for teachers and students to create, manage, and publish on their own WordPress sites. Provides cloud hosting and a simplified interface, as well as additional account options at the university level.

Apache Subversion Version System (SVN) is an open source version control system. Access and revision to objects are carefully controlled, to prevent unauthorized access and alteration. Developers use SVN to maintain current and historical versions of files such as source code, web pages, and documentation.

CollateX-based text collation client. CollateX, run on an server independent from the URL above, is a powerful, fully automatic, baseless text collation engine for multiple witnesses. A second collation technique, ncritic, provides a slightly different baseless text collation. Each engine complements each other nicely. The user can use different files, even URLs, then output the result in GraphML, TEI, JSON, HTML, or SVG. Fuzzy matching is an option.

MLA, APA, Chicago / Turabian and most-common Bluebook forms as an integrated citing and note-taking platform for individual or group projects. Prompts for analysis of source types and is unique in offering teaching support and personal help on any citation. Instructor / librarian view allows teacher to comment on work-in-progress providing just-in-time feedback in-context. Archives copies of web pages and pdfs which can be annotated. Dashboard provides long-term access to a portfolio of work.

WriteRoom is an alternative to Microsoft Word, that removes distractions on your computer while you're writing. WriteRoom is a full screen writing environment that has certain functions like word count and autosave. WriteRoom for iOS is synced with Dropbox, and your iPhone/iPad/iPod touch.

Save time and effort with TextExpander! Whether it's a simple email signature or several paragraphs of a standard response, you'll love how easy it is to use TextExpander to avoid typing the same thing over and over.

TEI Boilerplate is a lightweight solution for publishing styled TEI (Text Encoding Initiative) P5 content directly in modern browsers. With TEI Boilerplate, TEI XML files can be served directly to the web without server-side processing or translation to HTML.

Bluefish is a powerful editor targeted towards programmers and web designers, with many options to write websites, scripts and programming code. Bluefish supports many programming and markup languages, and it focuses on editing dynamic and interactive websites.

WorkTop was designed to enhance the ability of students (and scholars at all levels) to more efficiently perform fundamental scholarly tasks while at the same time providing new opportunities for collaborative learning.

The Classical Text Editor was designed to enable scholars working on a critical edition or on a text with commentary or translation to prepare a camera-ready copy or electronic publication without bothering much about making up and page proofs. Its features, formed in continuous discussion with editors using the program, meet the practical needs of the scholar concerning text constitution, entries to different apparatus and updating them when the text has been changed, as well as creating and redefining sigla.

Participad is a WordPress plugin that allows multiple people to edit the same WP content at the same time. Powered by Etherpad Lite, Participad gives you: notepads for collaborative notetaking; synchronous authoring of any content in the WordPress Dashboard; front-end editing. You can download it from the WordPress plugin repository.

Artifex Press is a publishing and technology company that digitally publishes catalogues raisonnés, a comprehensive, annotated documentation of all of the known artworks by an artists. They have developed a proprietary, patented software platform and a dedicated publishing program in order to create digital catalogues raisonnés. They offer both their own digital catalogues raisonnés and the ability to licence the software to produce your own projects.

Writefull is a light-weight app that uses data from Google Books (5+ million books) and the Web to improve your writing, It compares small sections of your text to a large data set of writing found online and in Google Books. All you need to do is select a chunk of your text in your browser or text editing software, activate the Writefull popover, and choose one of its five options:

1) check the number of results (how often the chunk appears in Google Books or the Web);

Annotation Studio is an open source, web-based annotation application that integrates a powerful set of textual interpretation tools behind an intuitive and easy-to-use interface. Users can upload their own texts, and annotate with styled text, video, images, and weblinks. To date, the project has been used with great success in disciplines such as Writing, Literature, Foreign Languages, Anthropology, Film and Media Studies, and others at institutions including Harvard, Yale, Stanford, MIT, Barnard College, and Washington University.